CN104341110A - Fly ash rock wool and product thereof - Google Patents
Fly ash rock wool and product thereof Download PDFInfo
- Publication number
- CN104341110A CN104341110A CN201410551572.9A CN201410551572A CN104341110A CN 104341110 A CN104341110 A CN 104341110A CN 201410551572 A CN201410551572 A CN 201410551572A CN 104341110 A CN104341110 A CN 104341110A
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- CN
- China
- Prior art keywords
- rock wool
- fly ash
- flyash
- rock
- mixture
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C13/00—Fibre or filament compositions
- C03C13/06—Mineral fibres, e.g. slag wool, mineral wool, rock wool
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Glass Compositions (AREA)
- Porous Artificial Stone Or Porous Ceramic Products (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a fly ash rock wool and a product thereof. The fly ash rock wool is prepared from 60-70% of fly ash, 25-35% of quartz sand and 10-15% of lime. The preparation method comprises the following steps: proportionally weighing the raw materials; stirring the materials with water to obtain a semidry mixture, sending into an aging bunker, and aging; sending the aged mixture into a rolling bin, rolling, briquetting with a briquetting machine, and naturally hardening; adding coke into the briquet, and mixing to obtain a mixture; adding the mixture into a cupola furnace by a lifter, melting by blast heating to form a silicate solution, centrifugating with a four-roll centrifugal machine to form fibers under the high-speed centrifugal action; and sending the fibers into a settling chamber by using high-pressure blast, and discharging by a network conveyor to form the fly ash rock wool. By using abundant fly ash, the fly ash rock wool is energy-saving and environment-friendly. The product has favorable heat-insulating property and high heat insulation efficiency (98%), and meanwhile, the prepared rock wool plate has excellent sound insulation property and sound absorptivity.
Description
Technical field
The present invention relates to building material field, particularly relate to a kind of flyash rock wool and goods thereof.
Background technology
Flyash, be receive to catch the thin ash got off from the flue gas after coal combustion, flyash is the primary solids refuse that coal-burning power plant discharges.The main oxides of power plants flyash consists of: SiO2, Al2O3, FeO, Fe2O3, CaO, TiO2 etc.Flyash is one of industrial residue that the current discharge capacity of China is larger, and along with the development of power industry, the flyash quantity discharged of coal-burning power plant increases year by year.A large amount of flyash does not add process, will produce airborne dust, atmosphere pollution, and toxic chemical substance wherein also can work the mischief to human body and biology.Rock, mineral wool are the best preferred material that can reach A grade standard in current wall Surgery therapy, are desirable non-fire materials, have good high-temperature stability.Slag rock wool plate is if the slag, phosphorus ore slag, flyash etc. of blast furnace are for main raw material with industrial slag, inorganic fibre is made through remelting fibrosis, press curing becomes the plate-shaped products of some strength, rock cotton board has the good characteristic of heat-insulating property, at present, it is higher with flyash to be that rock cotton board prepared by main raw material also exists thermal conductivity, the situation that sound insulation and the lower difference of sound absorbing capabilities etc. are undesirable.
Summary of the invention
The invention provides a kind of flyash rock wool and goods thereof, utilize flyash for raw material, manufacture heat-insulating property good, the asbestos product of environmental protection simultaneously, solve and exist now at present, it is higher with flyash to be that rock cotton board prepared by main raw material also exists thermal conductivity, the problems such as the situation that sound insulation and the lower difference of sound absorbing capabilities etc. are undesirable.
Present invention employs following technical scheme:
The composition of raw materials ratio of a kind of flyash rock wool and goods thereof is: flyash 60-70%, quartz sand 25-35%, lime 10-15%.
Its preparation process is as follows:
(1) material is taken by above-mentioned raw materials formula rate;
(2) above-mentioned material is added water stir into leather hard compound, then send into aging bunker and carry out ageing;
(3) compound after ageing is sent into rolling in rolling storehouse, air-set after briquetting press briquetting material;
(4) added by coke in above-mentioned block of material and be mixed to form compound, described coke is 1:7 with the add-on ratio of block material;
(5) join in cupola furnace by compound through lift, drum hot blast forms 15-20 to 1380-1400 DEG C of fusing and moors silicate solutions, and fibre object is got rid of in the high speed centrifugation effect through four roller whizzers;
(6) use high-pressure blast to send in settling pocket by fibre object, sent by net formula transfer roller, form flyash rock wool.
The present invention can form multiple asbestos product, comprising: rock cotton board, rock wool pipe box, rock cotton sliver, rock wool belt, rock wool blanket, mineral wool rope, rock wool paper.
The rock wool that present method is produced, compared with existing ordinary fly ash rock wool, has following beneficial effect: widely apply flyash, can utilization of waste material, energy-conserving and environment-protective.Product heat-insulating property is good, under normal temperature condition, the thermal conductivity of rock wool is usually between 0.027 ~ 0.038W/ (moK), Fibre diameter is 4--6.0 μm, slag ball content 6.0%, unit weight is 80-90kg/m3, and use temperature is 650 DEG C, and heat-insulating efficiency is 98%, meanwhile, the rock cotton board of making has excellent sound insulation and sound absorbing capabilities.
Embodiment
The composition of raw materials ratio of a kind of flyash rock wool and goods thereof is: flyash 65%, quartz sand 25%, lime 10%.
Its preparation process is as follows:
(1) material is taken by above-mentioned raw materials formula rate;
(2) above-mentioned material is added water stir into leather hard compound, then send into aging bunker and carry out ageing;
(3) compound after ageing is sent into rolling in rolling storehouse, air-set after briquetting press briquetting material;
(4) added by coke in above-mentioned block of material and be mixed to form compound, described coke is 1:7 with the add-on ratio of block material;
(5) join in cupola furnace by compound through lift, silicate solutions is moored in DEG C fusing formation 20 of drum hot blast to 1400, and fibre object is got rid of in the high speed centrifugation effect through four roller whizzers;
(6) use high-pressure blast to send in settling pocket by fibre object, sent by net formula transfer roller, form flyash rock wool.
In flyash rock wool forming process, water soluble phenolic is sprayed into fog shape and cotton Homogeneous phase mixing, form resin cotton, this resin cotton is through heating, pressurizeing, be solidified into flyash rock cotton board.
Claims (3)
1. flyash rock wool and goods thereof, is characterized in that: its composition of raw materials ratio is: flyash 60-70%, quartz sand 25-35%, lime 10-15%.
2. a kind of flyash rock wool according to claim 1 and goods thereof, is characterized in that: the step of preparation rock wool is as follows:
(1) material is taken by above-mentioned raw materials formula rate;
(2) above-mentioned material is added water stir into leather hard compound, then send into aging bunker and carry out ageing;
(3) compound after ageing is sent into rolling in rolling storehouse, air-set after briquetting press briquetting material;
(4) added by coke in above-mentioned block of material and be mixed to form compound, described coke is 1:7 with the add-on ratio of block material;
(5) join in cupola furnace by compound through lift, drum hot blast forms 15-20 to 1380-1400 DEG C of fusing and moors silicate solutions, and fibre object is got rid of in the high speed centrifugation effect through four roller whizzers;
(6) use high-pressure blast to send in settling pocket by fibre object, sent by net formula transfer roller, form flyash rock wool.
3. a kind of flyash rock wool according to claim 2 and goods thereof, is characterized in that: asbestos product is rock cotton board, rock wool pipe box, rock cotton sliver, rock wool belt, rock wool blanket, mineral wool rope, rock wool paper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410551572.9A CN104341110A (en) | 2014-10-17 | 2014-10-17 | Fly ash rock wool and product thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410551572.9A CN104341110A (en) | 2014-10-17 | 2014-10-17 | Fly ash rock wool and product thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104341110A true CN104341110A (en) | 2015-02-11 |
Family
ID=52497645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410551572.9A Pending CN104341110A (en) | 2014-10-17 | 2014-10-17 | Fly ash rock wool and product thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104341110A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108978234A (en) * | 2017-05-31 | 2018-12-11 | 刘庆东 | Rock wool belt and preparation method thereof for exterior insulation |
-
2014
- 2014-10-17 CN CN201410551572.9A patent/CN104341110A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108978234A (en) * | 2017-05-31 | 2018-12-11 | 刘庆东 | Rock wool belt and preparation method thereof for exterior insulation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150211 |
|
| WD01 | Invention patent application deemed withdrawn after publication |